I wanted a more efficient and quality way of mixing liquids at insane revolutions per minute. I saw a dremel near me that runs at a max of 13,000 RPMs and I said "Let's see what happens"
This was my first 3D printed attachment made with Autodesk Fusion 360. To create this, I took a torus and bisected it with a cylinder that would fit into the attachment port of the dremel itself.
After trial and error, I decided to ignore my idea of using the ABS printed attachment segment (the bisecting cylinder of the torus); the piece kept snapping when spun at 13,000 RPMs. Instead, I designed a housing column and used epoxy to hold a metal bit from a dremel factory-attachment. This allowed the attachment to spin without snapping off.
I then went back to Autodesk Fusion 360 and began creating a few attachment prototypes that each failed miserable either due to poor durability in regards to the filament material or failure to print the object entirely due to messy prints.
Finally, I designed an attachment that didn't break and could withstand the force of liquids rushing against it as shown below
This attachment was a success.




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